a:9:{i:0;s:2:"id";i:1;s:6:"msg_id";i:2;s:8:"send_uid";i:3;s:6:"to_uid";i:4;s:7:"addtime";i:5;s:3:"msg";i:6;s:4:"read";s:3:"_pk";s:2:"id";s:5:"_type";a:7:{s:2:"id";s:16:"int(11) unsigned";s:6:"msg_id";s:16:"int(11) unsigned";s:8:"send_uid";s:16:"int(11) unsigned";s:6:"to_uid";s:16:"int(11) unsigned";s:7:"addtime";s:16:"int(11) unsigned";s:3:"msg";s:4:"text";s:4:"read";s:19:"tinyint(1) unsigned";}}